HP A3550A User Guide - Page 306

Event code 0x648 0x650 0x654 0x657 0x658 0x659 0x660 0x661 0x662 0x663 0x664 0x665 0x666 0x667 0x668 Description Termpower Low. Extended status is SCSI bus number. This message is logged once at the completion of each powerup for any SCSI bus which the SP detects as having an insufficient "TERMPWR" voltage level. This event code is only used by SPs which do not themselves source termpower into the bus. FRU Signature Error. The given FRU's current physical position in the matrix of disks does not match its expected position (which is set at the time the FRU was bound into a LUN). Cache Dumping. SP started dumping the storage system cache to the vault disks. Cache Dump Completed. SP finished dumping the storage system cache to the vault disks. Cache Enabling. The SP is in the process of enabling the cache for use on host data. Cache Disabling. Storage system caching was disabled by the disk array or system operator. The disk array disables caching if the BBU is not fully charged, or an SP, vault disk or fan fails; see error 0x908. AC Power Fail. After an AC power failure, the disk array dumped the cache to the vault and turned off power to the BBU (it does this to minimize drain on the BBU). BBU Sniffing Enabled. This disk array is now allowed to shut down the BBU in order to test the BBU. BBU Sniffing Disabled. BBU shutdown testing is disabled on this disk array. BBU Sniff Initiating. The BBU on this disk array is beginning a shutdown test cycle. BBU Sniff Cache Dump. In preparation for its weekly BBU test, the disk array disabled caching. This message is followed by a 0x663 message. Configured for Single SP. The disk array detected change to a single SP configuration. Configured for Dual SP. The disk array detected change to a dual SP configuration. Cache Recovering. The SP is recovering the contents of the Write Cache following a reboot. Cache Recovered. The SP has successfully completed recovering the contents of the Write Cache following a reboot. Troubleshooting 8-33